Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: ac-library 0 -> 1
attrpath: ac-library
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Failed with exit code 1
this derivation will be built:
  /nix/store/97wz2x1rdw7k58vqv4v11fygfila81hi-packages.json.drv
error: the build users group 'nixbld' has no members